libstdc++-v3/testsuite/27_io/basic_istream/ws/char/1.cc

   1 // 1999-07-22 bkoz
   2
   3 // Copyright (C) 1994, 1999, 2001, 2003 Free Software Foundation, Inc.
   4 //
   5 // This file is part of the GNU ISO C++ Library.  This library is free
   6 // software; you can redistribute it and/or modify it under the
   7 // terms of the GNU General Public License as published by the
   8 // Free Software Foundation; either version 2, or (at your option)
   9 // any later version.
  10
  11 // This library is distributed in the hope that it will be useful,
  12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 // GNU General Public License for more details.
  15
  16 // You should have received a copy of the GNU General Public License along
  17 // with this library; see the file COPYING.  If not, write to the Free
  18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
  19 // USA.
  20
  21 // 27.6.1.4 standard basic_istream manipulators
  22
  23 #include <istream>
  24 #include <sstream>
  25 #include <stdexcept>
  26 #include <testsuite_hooks.h>
  27
  28 void test01(void)
  29 {
  30   bool test __attribute__((unused)) = true;
  31
  32   const char str_lit01[] = "  venice ";
  33   const std::string str01(" santa barbara ");
  34   std::string str02(str_lit01);
  35   std::string str04;
  36   std::string str05;
  37   std::ios_base::iostate flag3, flag4, flag5;
  38
  39   // template<_CharT, _Traits>
  40   //  basic_istream<_CharT, _Traits>& ws(basic_istream<_Char, _Traits>& is)
  41   std::istringstream iss01(str01);
  42   std::istringstream iss02(str01);
  43
  44   iss01 >> str04;
  45   VERIFY( str04.size() != str01.size() );
  46   VERIFY( str04 == "santa" );
  47
  48   iss02 >> std::ws;
  49   iss02 >> str05;
  50   VERIFY( str05.size() != str01.size() );
  51   VERIFY( str05 == "santa" );
  52   VERIFY( str05 == str04 );
  53
  54   iss01 >> str04;
  55   VERIFY( str04.size() != str01.size() );
  56   VERIFY( str04 == "barbara" );
  57
  58   iss02 >> std::ws;
  59   iss02 >> str05;
  60   VERIFY( str05.size() != str01.size() );
  61   VERIFY( str05 == "barbara" );
  62   VERIFY( str05 == str04 );
  63
  64   flag3 = std::ios_base::eofbit;
  65   flag4 = std::ios_base::badbit;
  66   flag5 = std::ios_base::failbit;
  67   VERIFY( !iss01.fail() );
  68   VERIFY( !iss02.fail() );
  69   VERIFY( !iss01.eof() );
  70   VERIFY( !iss02.eof() );
  71
  72   iss01 >> std::ws;
  73   VERIFY( !iss01.fail() );
  74   VERIFY( iss01.eof() );
  75 }
  76
  77 int main()
  78 {
  79   test01();
  80   return 0;
  81 }